I don't know what to do.I am reaching out to this community.We have a spayed female Corgi purebread.She was from a reputalble breeder who lived out in the country.No health probloms.Great weight.Wonderful dog who was always socialized with other dogs.Here is the problom.After moning into our new house in 2006 which does not have a fenced in yard she has become aggressive towards other dogs.In 2008 she got out the garage door when it didn't shut all the way.She attacked our neighbors poodle…