. Combine first 4 ingredients in a large bowl; stir well with a whisk. Add slaw, tossing to coat. Cover and chill 30 minutes.
. Wrap buns in heavy-duty foil. Place buns and franks on grill rack coated with cooking spray, and grill 2 to 3 minutes or until thoroughly heated.
. Split buns, and sprinkle cheese evenly on inside of buns. Add franks to buns; top each with 1 1/2 teaspoons dressing and 1/3 cup slaw.