I've had Dahlia since she was 6 weeks old, she is now five years old. She grew up with my other dog, Ridley. Ridley is an Aussie/black labrador mixture. They've always gotten along well. I have now added cats and an additional handicapped dog into my home. Dahlia is having issues adjusting to the new pets. I've been working with a professional trainer to get everyone acquainted. My other dog, R...