Buffalo Chicken and Rice

Name: Buffalo Chicken and Rice
Cuisine: American
Ingredients: 2 lbs chicken breast (raw and cut into pieces); 1 cup long grain, white rice (uncooked (not instant) ); 3-4 tbs hot wing buffalo sauce (preferably Frank's); 1 packet ranch dressing and seasoning packet (i use hidden valley); 1 cup chicken broth, low sodium; 1 10.5 ounce can 98% fat free cream of chicken or celery condensed soup; 2 stalks celery (finely chopped); 1 small yellow onion (finely chopped); cooking spray; cheddar cheese; chopped green onions