I am going home to my family next week, and I am of course bringing my 3 month old puppy. She is very submissive, sweet, and scared of EVERYTHING (loud noises, other dogs, other people, remote controls, and the list goes on..) She is great with my roommates dog; they are best friends and both are puppies. My family however, has a small little mutt (Bailey), who is 7 yrs old and minorly grouchy. I am very afraid she is going to beat up little Kali since it's HER house, HER yard, HER family etc. I know not to keep the dogs on tight leashes, and try and introduce them outside in the big yard, and for me to stay calm. We will be staying there all week, so it would be great if I didn't mess this introduction up, and if they would get along/exist peacefully. Any tips or ideas would be appreciated!