Do you think my rescue dog, Millie, is a Basenji/Beagle mix? She is 2 years old, and weighs 18 pounds. She yips, howls, rarely barks, has the curly tail, initially dislikes other dogs that she meets, very territorial, very loving, sleeps a lot, plays very hard, and is very loyal and sweet. I love her to pieces! She does remind me of a cat's personali ty.