William Aiello 
This Sheriff Wags His Tail [EPUB ebook] 

Dean is dispirited, unemployed and feels his life has no direction. Lacking ambition, depending upon others, he realizes that he must take charge of his life. Then a lost Labrador retriever comes into his life. Trying to find both work and the puppy’s owner, Dean has now two goals. First, he finds part-time work, then the dog’s owner. She rewards him by helping him find steady work and a sense of fulfillment. Together, they begin a relationship. All made possible by a lost dog.