I have done (and still do) what Glacier suggested. Back in November I found a dog. She didn't get along with my cats too well at first. I kept her on a leash in the house and kept her with me at all times. She quickly learned that chasing the cats was a big no-no. I have a baby gate and I use it to keep my dogs in the kitchen when I'm not home, this way I know they can't bother the cats. At night they all sleep either in their crates or baby gated in the kitchen.

By the way, I have a cat named Raisin too!