My suggestion is talk to a trainer send a pm to k9 yorkie trainer. She is awesome and is a wealth of information she trains and shows many dogs she is very great with aggression issues she helped me tremendously with aggression issues I was having in my house.!!!! She is a good behaviorist!!!! Hope this helps.
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"The best and most beautiful things in world cannot be seen or touched they must be felt with the heart." ~~~~ Helen Keller |