[k2p1e]

This is very sad.
We had our yorkies 2 years before my first son was born. We were prepared, read about how to adjust the dogs and things were still rough. Reggie ignored me, Kenzie peed on everything.
We did our best a realized they needed individualized attention, 5 mins here and there made a huge difference but the biggest issue was exercise. Even though they are little dogs and run around our home like crazy they still needed stimulation and good walks. I or my husband gave them good walks every evening, I played ball with them in the mid morning.
That was the biggest help! They felt loved (and they were!), content, tired! They adjusted after afew months, and when my second son arrived this part July they never ntoiced any difference. Reggie used the time I was nursing to cuddle at my side, they play with my toddler, cuddle with him when it is story time.
I will be honest it was a lot of work, there were days it was frustrating but worth it in the end.
I don't think he needs a home where he can run free, he sounds like he needs a home with someone who understands and can set boundries. Someone who can train him and work with his aggression.
Good luck to him, I pray that everything will work out for him and for you.