This is colorful and filling.

2 chicken breasts, cooked and diced
2 cups rice, cooked
3 green onions, sliced
2 tablespoons celery, diced
1/4 teaspoon garlic powder
4 oz. mushrooms, raw, sliced
10 oz. broccoli, frozen
1 tablespoon lemon juice
4 tablespoons low-fat yogurt.

Mix cooked chicken and cooked rice together.
Saute onions, celery, garlic powder, mushrooms, in 1 tablespoon water.
Cook frozen broccoli.  Drain.  Add to sauteed vegetables.  add 1 tablespoon lemon juice.
Serve vegetables over chicken-rice mixture.  Top each with 1 tablespoon dollop of plain yogurt.