Root Beer Pulled Chicken

Name: Root Beer Pulled Chicken
Ingredients: 2 1/2 pounds boneless skinless chicken thighs; 2 teaspoons seasoned salt; 12 ounces root beer (not diet); 1 tablespoon oil (vegetable oil); 4 ounces yellow onion (chopped, 1/2 medium onion); 1 cup ketchup; 1/4 cup light brown sugar; 1/4 cup molasses; 2 tablespoons yellow mustard; 2 teaspoons liquid smoke; 10 (15 ounces) bread buns (seeded burger rolls, sliced); FOR RAINBOW SLAW; 2/3 cup mayonnaise (may use light); 2 tablespoons cider vinegar; 2 teaspoons granulated sugar; 1 teaspoon celery seed; 1/4 teaspoon black pepper; 1 package (12 ounce) broccoli slaw; 1 cup shredded red cabbage; 1/2 cup sliced snow peas (thinly sliced)