We have adopted a lovely wee girl, was hand reared as her mother was run over by a car at approximately 5 days old. She is now coming up to 6months and we have a problem with ongoing biting, this can be when she's picked up/stroked/cuddled 
. She also attacks our dog at every possible opportunity, leaping at her as she walks passed, and is regularly taking out chunks of fur.
She is being spayed on Friday.
It's getting me down a bit as she is lovely in many ways, she just won't stop biting. Any ideas apart from nit picking her up/not stroking her/walking away/squealing?
TIA