In large bowl, mix cookie mix, softened butter, egg, 1/2 teaspoon nutmeg and the rum extract with spoon until soft dough forms. Shape dough into 36 (1 1/4-inch) balls. In small bowl, mix sugar, cinnamon and remaining 1/2 teaspoon nutmeg. Roll balls in sugar-spice mixture. Place 2 inches apart on ungreased cookie sheets. Discard sugar-spice mixture after rolling balls.