Heat oven to 350ºF. Roll each third of dough into rectangle, 12x9 inches, on lightly floured surface. Cut each rectangle into twelve 3-inch squares. Mix chocolate chips and jam. Spread 1 teaspoon jam mixture down center of each square. Bring 2 opposite sides together over jam mixture; pinch to seal. Seal ends and roll gently into rope shape. Bend into a stocking shape. Place 2 inches apart on ungreased cookie sheet.