This is why I can't rescue, volunteer at a shelter, or even walk past the animals in cages in Petsmart.
You did what you could Mary - much more than a lot of people would do. He's safe and warm and dry and has food. He could have been completely abandoned and ended up on the streets. Somebody will come along and fall in love with him and take him home, so don't feel bad. You did good girl - again!!!