Dog training type: Family Dog Training, Manners Training, Obedience, Behavioral Modification. Dog behaviors: Aggression towards dogs, Aggression towards people, Barking, Jumping. Dog age(s): 3+ years. Dog size(s): Medium (16-45 lbs). Number of dogs to be trained: 1. Dog breed(s): Chiwawa doxin mix. Type of training: Private lessons. More info: When I take him for a walk he runs and pulls.