Sounds like your dog is just guarding his/her territory. My dog Luc is also the friendliest dog on the planet to anyone he meets EXCEPT when they're in HIS house. Then he barks like crazy trying to protect his home and his people.
Check out this page about aggressive dog behavior to see if you can get some ideas: Click here
Nearly three years ago we lost our little Coton named Keeva. She had kept us on our toes for 10 years. My husband and I, in our 70’s, were devastated and
Louie is just over 3 months old. When I get him outside for a walk and to get him potty trained, he tends to pick things up to chew. Because he's so close