Please don't rehome your baby. He will be a souce of comfort for you and your children.
Talk to the utility people and hopefully they will work with you.

Get out your pen and write some letters. Does your state have any emergency assistance>
I guarentee that Bruizer is happiest with you and your children. It will get better. Just don't rush into anything you will later regret.
Been there done that.
Yorkie hugs