pulled chicken

This recipe has a BBQ fllavor.

4 lb. chicken legs,
1 tsp. smoked paprika,
1 tsp. cumin,
1/2 c. lemon juice,
7 cloves garlic,
1/2 c. dark brown sugar,
12 oz. beer,
1/8 c. worcestershire sauce.
1 c. ketchup,
1 T. corn starch,
5 oz. onion,
1 T. dijon mustard,
1 T. sriracha hot chili sauce,
2 tsp. salt and pepper