For each sandwich, place one-fourth of dough on surface sprinkled with Bisquick mix; roll in Bisquick mix to coat. Press or roll dough into 6 1/2x4 1/2-inch rectangle, 1/4 inch thick. Spread each rectangle with 1/2 teaspoon mustard. Wrap each cheese stick with 2 slices of ham. Place ham and cheese bundle in center of dough. Roll up dough, enclosing filling. Pinch ends and tuck under. On ungreased cookie sheet, place rolls seam sides down. Brush with milk.