Hearty Chicken Gumbo

Name: Hearty Chicken Gumbo
Ingredients: 12 cups chicken stock, from stewed chicken; 1 large stewing chicken; 1 bay leaf; 2 cups chopped onions; 1 cup chopped celery; 4 cups diced potatoes; 3 carrots, peeled and sliced; 2 cups sliced fresh okra; 1 (28 ounce) candel monte stewed tomatoes, broken up with the juice; 2 (6 ounce) cans tomato paste; 1 (10 ounce) can corn, with juice; 1 (10 ounce) jar Green Giant sliced mushrooms, drained; 4 tablespoons chicken bouillon granules; 1 teaspoon thyme; 1 teaspoon garlic powder; 1⁄2 teaspoon salt (to taste); 1⁄2 teaspoon pepper (to taste); 1⁄4 cup sugar (to taste); 1⁄2 teaspoon chili powder; 1⁄2 tablespoon butter; 1 (14 ounce) can chicken broth; 1 lb Polish kielbasa, sliced on the bias; 2 cups cooked rice