Chicken Goulash with Biscuit Dumplings

Name: Chicken Goulash with Biscuit Dumplings
Ingredients: 2 pounds skinless, boneless chicken thighs, cut into 2-inch pieces; Salt; Freshly ground pepper; 1 1/2 cups all-purpose flour, plus more for dusting; 5 tablespoons cold unsalted butter, cut into tablespoons; 2 tablespoons extra-virgin olive oil; 2 teaspoons baking powder; 2 1/2 cups chicken stock or low-sodium broth; 1 cup sour cream; 1 large white onion, finely chopped; 1 red bell pepper, finely diced; 2 garlic cloves, minced; 2 tablespoons hot Hungarian paprika; 3/4 teaspoon caraway seeds; 1 teaspoon thyme leaves