SAS, you have given this your all, but deep down inside you know that all problems cannot be resolved no matter how hard you try. In this situation, a rehoming seems to be the way to go for the good of all concerned. Thankfully, he has you to give him a better chance to make the next situation work out for him. Actually I glad the breeder did refuse to take him back. She surely would not have done him justice in finding him the right home. Please do not feel guilty about doing the right thing for Miley and for Ti.