With all these points made, I wanted to toss out there, that it's possible to have a better today and tomorrow with some adjustments.
It's understandable to be ticked off with him. Left to struggle with no financial nor moral support. And I'm guessing he's said mean things about you to your daughter?
Your financial struggle is a reality and is stressful, no doubt. It's a lot of pent up emotion. Takes a lot of energy. For the sake of your health, it's worth getting all the pain, regret and resentment out of your system. Stress makes us ill, or more ill than we need to be.
He's dead weight. She's not going to grasp the pain that he's caused. Reaching out helps, usually.
"Investigate your hidden assumptions."-Cornel West