Seeing my dad tomorrow

My dad and I have a very complicated relationship. I’m 27f still living with mom and my 8 year old. I will say I receive SSDI. My dad does too.. We both struggle with depression and anxiety. That’s why we are both on it. Ok so, since i was little, he’s an alcoholic. Been to rehab, hospitals, recovery house, etc.. he’s sober now. Been sober for 8 years. Meanwhile i’ve been struggling with my addiction to alcohol since I was 24. So like 3 years now. My mom drinks daily, so i’m around to it. My grandparents are also alcoholics but they’re gone now. Anyways, im trying to cut back or just be sober completely. but im having a hard time because its been a way to cope, i’m seeing my dad tomorrow. we’re not even close. but we share the same mentalities/ alcoholism. Do I ask him for support or be quiet?