Heat a Dutch oven over medium-high heat. Coat pan with cooking spray. Add celery, onion, wild rice, and garlic to pan; sauté 3 minutes.
Stir in broth and sage; bring to a boil. Cover, reduce heat, and simmer 25 minutes.
Stir in brown rice, and bring to a boil. Cover, reduce heat, and cook for 30 minutes or until liquid is absorbed. Remove from heat; let stand, covered, 10 minutes. Stir in cherries and remaining ingredients.