a stray pooch in washington state has used up at least three of her own after being hit by a car , apparently whacked on the head with a hammer in a misguided mercy killing and then buried in a field .
considering everything that she 's been through , she 's incredibly gentle and loving , '' mellado said , according to wsu news .
the veterinary hospital 's good samaritan fund committee awarded some money to help pay for the dog 's treatment .