How can I create a flavorful and juicy chicken dish using a spicy brine?

To create a flavorful and juicy chicken dish using a spicy brine, first mix water, salt, sugar, and spices like chili powder, cayenne, and garlic. Brine the chicken in this mixture for a few hours or overnight. Then, cook the chicken using your preferred method, such as grilling or baking. The brine will infuse the chicken with flavor and help keep it juicy during cooking.