should i stop being friends with her?

I F[18] have a friend F[17] who often can be really harsh and dismissive of me. If I rant out of excitement too much (see; neurodivergent) she'll shut me down, or if I usually make references to media because of my echolalia, she'll get easily exhausted. Whenever I have an issue, she'll dismiss it by saying "Oh, we only have XYZ time left until we leave," since we're in our last year of school.

Yesterday, when I tried to ask her if she had any plans (since I mentioned on Friday that I wanted to come over,) she gave me a snarky response: "You don't need to know what I'm doing all the time," or something along those lines. When I told her that I felt like she was being rude, she doubled down and acted like I was overreacting and being sensitive. This, alongside her never giving me the same energy or belittling me for being too kind/social anxious sometimes has really got to me. When I spoke to my other best friend about it, she thought it was really cruel of her and that I should give her a chance to ammend things, or simply just cut her off.

There are times where we do what she wants to do even though I might ask to do something else, or she'll attempt to change plans that we have even though we've been dead-set on something. And as someone who really hates routine change, it's difficult to deal with. What do you think I should do? I really value her friendship but I've realized how unkind she can and has been.