In large skillet over medium heat, cook and crumble beef and onions until no longer pink; drain. Remove from heat.
Stir in coleslaw mix, sauerkraut and rice; salt to taste. Transfer to a greased 13x9-inch baking dish. In medium bowl, combine tomato sauce, beef broth and Worcestershire sauce. Pour over beef and rice mixture.
Bake, covered, in a preheated 350°F oven 1 hour. Remove cover and continue baking 30 minutes or until rice is tender.