Heat a 4-quart Dutch oven over medium heat. Add kielbasa and onion; cook about 5 minutes or until onion is tender, stirring occasionally. Add broth, the water, squash, carrot, and pepper. Bring to boiling; reduce heat. Cover and simmer for 5 minutes.
Stir in beans and uncooked pasta. Return to boiling; reduce heat. Cover and boil gently about 6 minutes or until pasta and vegetables are tender, stirring occasionally. Stir in spinach. Serve immediately. Makes 6 servings.