My coworker is awful

so i work at a retail pharmacy and most of my coworkers are pretty nice, only small things here and there. but there’s one coworker i HATE. idc what people say about them, every shift i work with them makes me more mad. i already didn’t like them when i had first started because they yelled at me for putting a fast moving vitamin d with the otc section. like if you’re gonna yell at the tech who’s worked there for less than a month about something small, that tells me what kinda person you are. but i didn’t really work with them too much as they worked opposite weekends as me and that’s all they worked so whatever. i was fine just being neutral about them. but recently, they got fired from their other job and has asked our manager for more hours and they make shifts miserable. they only want to do production and then sit on their phone when everything is filled and that’s all. if they aren’t in production their entire shift, they complain, are rude to patients, and sit in the back doing literally nothing. one time i had to work a 10 hours shift and they came worked 3-8. they got production and when everything for today will filled, instead of helping in qt/rts/filing, they sat on their phone and filled random things dropping in, giving me more to file when i was swamped. another time (i wasn’t there) they worked a 10 hour shift and all i heard the next day was about how they were getting mad at our manager and refusing to do pickup or production, forcing my other coworker to do both (the systems had gone down earlier so stuff started falling behind and they were under water most of the day). there’s been so many times where i wanted a break from pick up but i didn’t get one because no one wanted to deal with their attitude of not being in production. and then today. i came in at 12 and i was put in production to help with qt and then fill with our lead tech. she left a 2 when the other coworker came in and during lunch, my lead tech was trying to put everyone in a spot that made sense. the other coworker says they want production until 5, then i can have it again. i’m kinda mad bc now i have to do drive thru and i hate drive thru but it’s whatever i do drive thru. in between cars, qt is getting busy and the person at pick up was busy with people so i’m helping there instead of filling. qt stays pretty busy and the pickup tech is trying her best but can’t keep up and the pharmacist is swamped in qv so i’m helping in qt. i’m also filing when i get a chance but drive thru gets really busy so that takes most of my time. during these 3 hours, the coworker is talking to the pharmacist the entire time and no filling at all. she’s filling the stuff coming up but not enough to keep the queue down. we switch at 5. now when me and the lead tech were filling, we went from 10 to 3 1/2 pages. now there’s 6. in those 3 hours, we went up by three pages. i’m pissed. because now, i have to fill all of this myself and our pickup tech leaves at 6 so i’ll have to get that as well soon. the rest of the night, i have frantically pulling and filling while the pharmacist is helping with pick up and filing for me. the other tech? instead of helping me fill these 6 pages they left me, they sat in drive thru, did qt for other stores, and started going through qr to take our old faxes and requests. i’m even more pissed. bc they are literally just doing basically nothing helpful while i’m fighting for my life. i thankfully get the queue almost clear and manage to do a couple other closing things. i’m so tired of working with them. they are just so rude and unhelpful and our manager has tried talking to them but it just ends in arguments so she doesn’t try anymore.