Coat a Dutch oven with cooking spray; add oil. Place over medium-high heat until hot; add carrot and next 5 ingredients, and saute until onion is tender. Add chicken, broth, and bay leaf. Bring to a boil; cover, reduce heat, and simmer 20 minutes or until chicken is done. Add basil and tortellini; cook 6 to 7 minutes or until pasta is tender. Remove and discard bay leaf.