We rescued a 12 week old kitten 2 weeks ago, she was very sweet,enjoyed being held and would lie next to my daughter. She has been check by a vet and is healthy. Now the kitten growls and becomes aggressive when held, she won't lie next to anyone and she hisses and meows at everyone who comes close to her. We have to adult cats that have been surprisingly good to her, as well as, 2 dogs that for the most part stay away from her. I don't know what to do, she was so sweet and now she is becoming quite antisocial.