In 10-inch skillet, cook sausage over medium-high heat 8 to 10 minutes, stirring occasionally, until no longer pink; drain.
Spray 3 1/2- to 4-quart slow cooker with cooking spray. In cooker, mix sausage and remaining ingredients except beans and basil.
Cover; cook on Low heat setting 6 to 8 hours.
Stir in beans. Increase heat setting to High. Cover; cook 15 minutes longer. Garnish with basil.