From a comment received I realized that I had negated to update about Buster. For those of you who have read and included Buster in your prayers, thank you.
As of today he his beginning to eat on his own and doing 100 times better! He is no longer dehydrated and getting his 'kitty' attitude back. I have never been so happy to be snubbed by a cat. Through it all my daughter has been very brave and my husband very helpful.