Hugs to you, and kudos for coming in here and being brave enough to say something. You already know you need to get away from him. Call that hotline number. They can help you. You have already been brave by coming here,keep it going. Just pick up the phone. Keep taking that next step even if you don't know exactly where it will lead.
You are right when you said your baby doesn't deserve it. You were that baby once, you didn't deserve a drug addicted father and you still don't deserve an addicted, abusive partner.
Hugs.