Place 4 cups 1/2" cubes angel food cake in 9"x9"x2" pan. Spoon 1 (1 lb. 5 oz.) can cherry pie filling over cake. Top with 4 cups 1/2" cubes angel food cake. Combine 1 (3 3/4 or 3 5/8 oz.) package instant vanilla pudding mix, 1/2 cups milk and 1 cup dairy sour cream; beat smooth. Spoon over cake. Chill 5 hours. Serves 9.