Chicken with Dill Dumplings

Name: Chicken with Dill Dumplings
Cuisine: American
Ingredients: 2 whole chickens (each about 3½ pounds), cut into small serving pieces with breast and thigh boned and bones reserved; 2 whole chickens (each about 3½ pounds), cut into small serving pieces with breast and thigh boned and bones reserved; Salt and freshly milled black pepper; 2 celery ribs, chopped; 1 medium onion, chopped; 2 cups heavy cream; 2 cups all-purpose flour, sifted; 1 teaspoon baking powder; ¼ teaspoon baking soda; 1 teaspoon salt; 3 tablespoons unsalted butter, melted; ¾ cup buttermilk; ½ cup chopped fresh dill; 1½ quarts Chicken Stock