Prepare And Bake Corn Bread According To Package Directions, Using The Egg And Milk. Meanwhile, In A Large Skillet, Cook Beef And Onion Over Medium Heat Until Meat Is No Longer Pink; Drain. Stir In The Spaghetti Sauce, Corn, Chilies And Sloppy Joe Mix. Bring To A Boil. Reduce Heat; Simmer, Uncovered, For 10 Minutes. Sprinkle With Cheese; Cover And Cook For 1 Minute Or Until Cheese Is Melted. Cut Corn Bread Into Six Pieces; Cut Each Piece In Half. Top With Sloppy Joe Mixture.