If you are unsure of yourself, or the dog, please get help from someone with experience. Just like people, dominant dogs who are also aggressive like getting their own way and may resent efforts to control them. Dominant behavior in dogs is the natural result of their having no concept of equality. Every member of their social world is seen as being either higher or lower in rank than they are. The more dominant a dog is by nature, the harder it will try for a high rank.
Dominance appears to have a strong genetic factor.
A puppy can be identified as being dominant at as young as two weeks old. A dominant dog is dominant forever. Dominance should be of special concern to breeders because, too often, high working drive and dominant behaviors go together. As dog owners, trainers and breeders we need to be concerned with dominance in our animals. A dominant dog can be a challenge to live with.