Help me find my Senior Chihuahua (Beaverton MURRAY/ALLEN)

Please help me find Fritz my senior dog, he is a chihuahua. He's dependents on me. He has no teeth and can't survive on his own for very long he only can eat soft food his tongue is always to the side of his mouth hanging out DESCRIPTION Fritz is black chihuahua he's turning a lot of white because he is almost twenty years old AREA LAST SEEN Beaverton, OR 97005