Spray 5-quart slow cooker with cooking spray. In slow cooker, mix broth, Alfredo sauce, Dijon mustard and pepper. Stir in chicken. Cover; cook on High heat setting 1 ½ to 2 hours or until chicken is cooked through (at least 165°F).
Stir pasta and ham into slow cooker. Cover; cook on High heat setting 25 to 30 minutes or until pasta is tender, stirring twice.
Stir in cheese until cheese melts. Let stand covered 5 to 10 minutes or until slightly thickened. Stir mixture.
In 8-inch skillet, melt butter over medium heat. Add bread crumbs; cook 3 to 5 minutes, stirring frequently, until toasted. Top pasta with bread crumb mixture before serving.
