If you don't have a slow cooker, simply combine chicken, sauce, and onion in a large saucepan. Cook, covered, over medium heat, 30 minutes or until hot and bubbly, stirring occasionally.
Stir together first 5 ingredients in a lightly greased 4- to 5-qt. slow cooker.
Cover and cook on HIGH 2 1/2 hours. Break up large pieces of chicken with a fork. Serve on dinner rolls with desired toppings.
Find recipes with ingredients that you have on hand.