Jerk Shrimp with Grilled Onion, Avocado, and Mango Salsa

INGREDIENTS

• 1 mango, peeled and finely chopped
• 1/2 avocado, finely chopped
• 1/4 cup finely chopped red bell pepper
• 2 tablespoons chopped fresh cilantro
• 1 tablespoon fresh lime juice
• 1 teaspoon sugar
• 1/4 teaspoon salt
• 2 pounds unpeeled large raw shrimp
• 1 red onion, cut into 1/4-inch-thick slices
• 2 tablespoons olive oil
• 3 tablespoons Jamaican Jerk Rub