[Furbunny]

I hope I am posting in the correct place. This is my first post although I've been a member for a while. My little girl came from an abusive situation, but her exact past is not known. She is estimated to be about four years old, and has had puppies. Of course I had her spayed. My other Yorkie is 8 years old and they get along pretty well. What has me concerned and upset is she is afraid of so many things! I've had her for about 8 months. She seems happy and interacts well, the. suddenly, she withdraws, going under the bed or under a particular chair. She will move from one place to another, get a drink, potty on her puppy pad and return to her "safe" zone. She will not respond if I call ber name during one of these episodes. This lasts from a few hours to several days. I cannot figure out what the trigger is. I talk to her a bit but I let her be. I don't want to force myself on her. Eventually she will come out and gradually begins to be her usual self. She's always a bit reserved, but she loves her treats! She is my first rescue and it just breaks my heart to see herbe unhappy. Any insight or suggestions?