In a small bowl, combine salt, pepper, garlic powder and paprika. Rub on all sides of each chicken thigh.
Place thighs in bottom of crock pot. Put ½ tablespoon pat of butter on top of each thigh.
In a small mixing bowl or measuring cup, whisk together BBQ sauce, dijon mustard and Worcestershire sauce.
Pour sauce over thighs.
Cook on high in your slow cooker for 3-4 hours or low for 5-6 hours.
