Mango chicken tinga

Name: Mango chicken tinga
Ingredients: 1 onion; 1 mango; 3 garlic cloves; 1 cup rice; 8 frozen, skinless, boneless chicken thighs; 14.5 ounces diced tomatoes, undrained; 1 3/4 cups chicken broth; 1 cup mango nectar; 1 1/2 teaspoons chipotle chili powder; 1 teaspoon salt; 1/2 teaspoon cumin; 1/2 teaspoon ground ginger; 1/4 teaspoon cinnamon; 1/4 teaspoon pepper