How to Make It
Combine 2 1/2 tablespoons oil, vinegar, salt, pepper, and sugar in a large bowl, stirring well with a whisk. Add wheat berries, nuts, and chicken; toss.
Heat a medium nonstick skillet over medium heat. Add remaining 1 1/2 teaspoons oil to pan; swirl to coat. Add onion and thyme; cook 3 minutes or until tender. Add to wheat berry mixture; toss. Stir in cherries and arugula; toss. Sprinkle with cheese.