Coat a large heavy skillet with cooking spray; add 1 TB oil. Place skillet over medium heat until hot; add chicken. Heat for 3-5 minutes, stirring occasionally, until chicken is lightly browned. Remove chicken from skillet; reserve drippings.
Add mushrooms and onion; saute until vegetables are tender. Return chicken to skillet.
Add broth, paprika, dillweed, and pepper; cover and simmer 15 minutes or until chicken is tender.
Combine cornstarch and water; stir until smooth. Add to chicken, and cook over medium heat, stirring constantly, until mixture comes to a boil. Cook mixture 1 minute. Remove from heat and stir in yogurt.
Serve immediately over noodles. Garnish with parsley, if desired.