Red, White, and Blueberry Grilled Chicken

Ingredients

• 1 tablespoon vegetable oil
• 1 tablespoon kosher salt
• 1 tablespoon paprika
• 1 teaspoon ground dried chipotle pepper
• ½ teaspoon cayenne pepper
• ½ teaspoon freshly ground black pepper
• 2 cloves minced garlic
• 4 skinless boneless chicken breast halves
• ⅓ cup white sugar
• ⅓ cup apple cider vinegar
• 2 cups fresh blueberries
• salt and freshly ground black pepper to taste