Gradually introduce them. Put the kitty in a room by himself with food, water and litterbox. Allow the kitten out of the room when you are home and can supervise them. Have a squirt bottle ready just in case the kitten wants to pounce the dog (it's a probability that he will want to pounce as he's a kitten). Let the dog and cat get used to each other. It'll take some time. NEVER let the kitten out when you're not home to supervise. Eventually, they'll get used to each other. Kittens are far more easily incorporated into a household than an older cat who is set in their ways.

Good luck and keep us posted.