Grace, a white puppy found in a Dumpster a few days ago, is up and about these days and has doubled in weight.

Marked for death until Chelsea Adkins and her husband found the source of the whimpering they heard coming from the container, Chelsea told News Center 7 she hopes a piece of mail found with the dog will lead the Montgomery County Animal Resource Center to whoever left the puppy behind – in a tied garbage bag.

"I cried. It was really sad. I just don't understand how anybody could do that to an animal, especially to a baby but to any animal," she told News Center 7’s Kate Bartley on Friday.

Mark Kumpf, Animal Resource Center director, said, "We don't know why it happened. We're not sure if maybe they thought the animal was already deceased or it could be something far more serious than that, in which case they discarded a live animal."

Veterinarians said the pup was two or three days old when she was plucked from among the beer bottles and old food, too young even to accurately identify her breed.

"She's walking around, which is really good. They said they aren't normally doing that at this age,"

Chelsea said.

She and her husband decided on the name Grace.

Whether the owner is found or not, Chelsea said she and her husband are attached to the pup and will keep her because whoever left her behind: "They don't deserve to have animals if they're going to do something like this."