In a Dutch oven, bring 8 cups water to a boil. Add asparagus in batches; cook, uncovered, 2-4 minutes or just until crisp-tender. Remove asparagus and immediately drop into ice water. Drain and pat dry., In a small bowl, whisk dressing ingredients until blended. In a large bowl, combine asparagus, tomatoes, snap peas, red pepper and onion. Drizzle dressing over asparagus mixture; toss to coat. Refrigerate until serving., Just before serving, stir in cheese, walnuts and cherries.