Sprinkle chicken with 1 tsp salt and paprika.
In large skillet, melt butter and sauté chicken and onion until onion is golden.
Add ½ cup water and simmer, covered, for 30 minutes or until chicken is fork-tender.
Remove chicken to heated platter and keep warm.
Into juices in skillet, stir ¼ tsp salt, 1 tsp paprika, and sour cream.
Stir constantly over very low heat until mixture is blended and hot (do not boil).
Pour this gravy over chicken, sprinkle with parsley, and serve.