Arlo, a 9-year-old Chihuahua at the Attleboro Animal Shelter in Attleboro, Massachusetts, is looking for a home after winning over staff with a big personality in a tiny frame. In a recent introduction, the Friends of the Attleboro Animal Shelter invited the public to come meet the senior pup in Attleboro, Massachusetts, writing, “Meet Arlo, the cutest Chihuahua in town! This tiny boy is 9 years young and full of love!”…