Preheat oven to 400 degrees. Place chicken in a greased baking dish; sprinkle with seasoning. Cover and bake for 30-45 minutes or until internal temperature reaches 165 degrees. Dice chicken into small pieces; set aside.
Rinse quinoa thoroughly. Cook according to package directions; set aside.
In a soup pot, sauté garlic in olive oil for 3 minutes or until fragrant. Add diced tomatoes and cook over medium for another 4-5 minutes. Add 1 cup water, chickpeas, cooked quinoa, and chicken. Continue to cook for 10-12 minutes.