Heat oven to 350°. Grease 13 x 9 x 2-inch baking pan. Cook and stir sausage and onion over medium heat until sausage is brown; drain. Mix baking mix, milk and 1 egg; spread in pan. Sprinkle with caraway seed. Top with sausage mixture. Mix sour cream, salt and remaining egg. Pour evenly over sausage. Sprinkle with paprika. Bake, uncovered, until set, evenly over sausage. Sprinkle with paprika. Bake, uncovered, until set, 25 to 30 minutes. Cut into rectangles, about 2 x 1 1/2 inches. 32 appetizers.