PREHEAT oven to 325°F. Cook pork in large skillet until no longer pink; drain. Place in large bowl. Add dry stuffing mix; mix well. Add 1 cup water, cranberry sauce and egg; mix until well blended.
SHAPE mixture into 16 balls. Place in single layer on foil-covered baking sheet; brush evenly with butter.
BAKE 20 min. or until golden brown and cooked through (160°F).