BBQ Chicken Kebabs

Name: BBQ Chicken Kebabs
Ingredients: 2 pounds chicken breasts (4-6 breasts) (chopped into bite size pieces ); 1 tablespoon olive oil; 2 teaspoons brown sugar; 1 1/2 teaspoons smoked paprika; 1 1/2 teaspoons salt; 1 teaspoon chili powder; 1 teaspoon onion powder; 1 teaspoon garlic powder; 1/2 teaspoon dried thyme; 1/4 teaspoon pepper; 1/2 cup ketchup; 1/4 cup packed brown sugar; 3 tablespoons molasses; 2 tablespoons cider vinegar; 1 teaspoon Dijon mustard; 1 tablespoon butter; 1 teaspoon reserved Spices ((in directions))