Grandma Moorman's BBQ Ribs

Ingredients
Ribs
3 lbs Thick-cut boneless country-style ribs
1 Sweet onion
1 Orange
1 Lemon
Nutmeg
BBQ Sauce
24oz Ketchup
12oz Chili sauce
1/3 Cup Prepared mustard
1 tsp. Dry mustard
1½ Cup Brown sugar
2 Tbsp. Black pepper
1½ Cups Red wine vinegar
1 Cup Lemon juice