Cats, dogs, iguanas—you name it and Dr. Stuart Dalton has treated it. As a veterinarian and the owner of White Bear Animal Hospital his doors are always open to ailing animals, but a few weeks ago he got a call about a sick assistance dog. At the time he had no idea this call would change the life of a pet owner. The call came from the Courage Center, a rehabilitation facility that specializes in helping people with disabilities. One of their clients, Steve Cluckey was near tears over his dog Brewster. Cluckey thought his 3-year-old black lab had a raw hide lodged in its stomach.  “He was …