Bridget, have you ever tried training her with treats, I know, I know, most dog trainers frown upon that, but to be honest with you that is how we taught Daisy and Perry to sit up, shake hands and lay down.
Maybe if you give her a little treat when she picks something up, she will get the idea. I really hope your Grandfather changes his mind, Daisy is such a wonderful dog he just doesn't realize what he is missing and it would make everybody so happy.

------------------