The way he talks to his mother and sister should be indication enough that he's abusive to women because he feels superior to them. This isn't a personality trait. I understand this is your first serious relationship, but in the long run, if you get back together, it'll drain you. He was the one who gave you an ultimatum and you absolutely made the right decision in breaking up. Tell him not to contact you again, block his number, and stay no contact with him.

I'm also really sorry you've had bad experiences with therapy, but I encourage you not to give up on it. Often times, therapy is a non-linear, slow process in which it might take you a few tries until you find the right therapist/meds for you.