I would take the insurance money and move onto something else. Just walk away.
That is if you can of course. It is my experience that If you try to fix it, it will never be right, and you will be chasing problem after problem.
I am so happy no one was hurt badly and am super bummed for you. It could happen to anyone of us. Please let me know if I can help.
Going where most dont
"one day at a time"