Homemade Pet Food?

I have a 9 yr old Pug and have started making her dog food. She's very picky about what she eats if it has vegetables in it she will not eat it. She has gone 3 days without eating it. I started her with chicken (whatever is on sale) with yellow and white rice. I have even used turkey breast and hamburger and I mix that with some dry food as her evening meal. In the mornings I give her wet dog food.

I'm moving in with my mother who has 2 kittens around 5 months old and when I feed my dog I take her to a room and shut the door for her to eat. I stay in there with her and we feed the cats up on a desk, that way they don't get each others foods as they all throw up and get diarrhea if they eat the others food.

So my questions are is there anything different I need to be giving my Pug and is there anything that I could add like fish and make enough for all 3 of the animals so they can be fed at the same time and in the same area without them getting sick?