Combine Wish-Bone® Italian Dressing with rosemary in small bowl. Alternately thread potatoes and apples onto 4 skewers*. Arrange skewers in 13 x 9-inch glass baking dish or large resealable plastic bag, add 2 tablespoons Dressing; turn to coat. Arrange pork in another 13 x 9-inch glass baking dish or large resealable plastic bag. Add 2 tablespoons Dressing; turn to coat. Cover, or close bags and marinate in refrigerator 30 minutes. Reserve remaining Dressing.
Remove pork and skewers from Dressing, discarding Dressing . Grill or broil skewers and pork, turning occasionally and brushing with reserved 1/4 cup Dressing, until pork is done and vegetables are tender, about 8 minutes.