We feed fresh meat always. We started out with kibble, but we find our B's are more healthy with meat and related chews (soft bones, cartilage, heart, etc.).
Most people incorrectly use the terms dominant and dominance with regard to dogs. Here is a good blog post by Dr. Sophia Yin on the topic.
http://drsophiayin.com/blog/entry/dominance_in_dogs_is_not_a_personality_trait
