Dewey is a Rat Terrier/Chihuahua, who is 6 years old, who works for Amber, he takes good care of her, by alerting her to her anxiety attacks before they happen. She got him when he was 8 months old from the shelter and he was a serious mess, fear aggressive towards shadows, people and just about everything. But at a year old he started alerting her on his own, by what is called "grounding" (obsessively nudging and licking when an anxiety attack is about to happen). Still he could not become a service dog immediately because of all of his issues, so Amber worked with him for about a year until he could be considered good enough to pass the CGC and get his gold tag.
For their first meeting Bud jumped on him because Bud sensed his Alpha posturing. After that they went for a walk together and now are fine together. Boys will be boys. Dewey is a high energy dog and he is a lover and he wants to be a lap dog when not working.