In a bowl, combine the egg, onion, bread crumbs, parsley, salt and pepper. Stir in wild rice. Crumble beef over mixture; mix well. Shape into 15 balls. Place in ungreased 13x9x2-inch baking dish. Bake uncovered, at 350° for 15-20 minutes or until browned; drain. Arrange sauerkraut over meatballs; sprinkle with caraway seeds. Combine soup and salad dressing; spread over the top. Cover and bake for 35-45 minutes or until meat is no longer pink. Uncover; sprinkle with Swiss cheese. Bake 10 minutes longer until cheese is melted.