In medium bowl, mix ground beef, uncooked rice, 1/3 cup milk, the egg, Worcestershire sauce, 1/4 teaspoon of the salt and 1/8 teaspoon of the pepper. Spoon about 1/3 cup of the ground beef mixture on thick end of each cabbage leaf. Roll up, tucking sides in. Place filled cabbage leaves in 12-inch skillet, seam side down. Add broth and caraway seed. Cover; heat to boiling. Reduce heat; simmer 25 to 30 minutes or until thermometer inserted in center of ground beef mixture reads 160°F.