Apply for universal credit and go to the council and explain the situation
Social services cash assistance daycare program etc etc
Go to your council and see if they can get you get up in a women's shelter for you and your baby. From there get yourself set up with as many community help as possible with income, jobs, daycare support and more.
Your baby will be happy and not see you upset if / when you leave. Speak to your local council see if they can help x don’t put up with it not worth it. You will be happy again x