Preheat the oven to 400℉
Combine the chicken thighs with salt, pepper, sweet paprika and garlic powder. Set aside.
Finely chop the onion and mince the garlic cloves
Heat oil and butter over medium high in a large oven proof skillet or pan. Add chicken thighs skin-side down and sear for 3-5 minutes. Reduce heat to medium and sear the thighs for 10 minutes. Move around to prevent burning. Turn, and sear bottom-side for 5 minutes. Transfer to clean
Discard the excess fat, if needed, leaving about 2 tablespoons in the skillet.
Reduce the heat to medium low. Add onion and garlic, cook for 3 minutes. Add 'nduja and tomato paste, stir and cook for 2 minutes. Add thyme and deglaze the skillet with chicken broth. Simmer for 2 minutes, while stirring and scraping up the brown bits on the bottomof the skillet with a wooden spoon.