Passover Sweet And Sour Meatballs

Name: Passover Sweet And Sour Meatballs
Ingredients: 2 large cans (20 oz. each) pineapple chunks in their own juice (no sugar added); 3/4 cup tomato sauce; 3/4 cup ketchup; 1/2 cup cider vinegar (or sub white vinegar); 1/4 cup brown sugar (or sub white sugar); 2 tbsp tomato paste; 1 tbsp onion powder; 3/4 tsp salt, divided; 3/4 tsp garlic powder, divided; 3/4 lb. lean ground beef; 3/4 lb. dark meat ground chicken; 1 egg, beaten; 3-4 tbsp matzo meal; 1 tsp paprika; 1/4 tsp black pepper; Pinch of cayenne (or more to taste)