Sweet ‘n’ Sour Spareribs

3 lb country style spare ribs (small and lean), 2” long
1 small chopped onion
¾ cup catsup
2 Tbs vinegar
2 Tbs Worcestershire sauce
2 Tbs soy sauce
½ cup white sugar
2 Tbs brown sugar
¾ cup pineapple juice

Separate ribs and place in shallow baking pan. Mix all ingredients together over stove and spread over ribs. Can place pineapple slices on top if desired. Cook for 2 1/3 – 3 hours at 325 degrees F.