Chicken And Rice

Ingredients

• 1 large onion, cut into chunks
• butter
• 2 Tbsp. Worcestershire sauce
• 1 Tbsp. wine vinegar
• 1/2 tsp. chili powder
• 1/2 tsp. celery salt
• 1/4 tsp. salt
• 1/4 tsp. pepper
• 1/2 tsp. dry mustard
• 1/4 tsp. paprika
• 1/2 tsp. garlic salt
• 1 (2 1/3 to 3 lb.) cut up chicken
• 1 can stewed tomatoes
• 1/2 c. brown sugar