On another note W told D8 that I might take her dog, but I wasn't sure and I was thinking about it. She told D8 that if I don't take the dog she doesn't know what's going to happen to him, might have to give him away. It was a cause of concern that's why D8 told me about it.
I am not sure what you actually told your W, but you told us that you did not want the dog. This is where everything should line up. That is why I recommend the words I did. Your response with daughter could have been:
Dad:"Daughter, I told mommy to consider your wishes before deciding what to do with the dog. Dogs are a big responsibility. I believe they are a life long decision.... "
"What is best for my kids is best for me" Amor Fati Link to quotes: https://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2879712