01 - In a large bowl, mix cooked chicken, celery, red onion, dried cranberries, parsley, and pecans until evenly distributed.
02 - Whisk together mayonnaise, Greek yogurt, Dijon mustard, lemon juice, salt, and black pepper in a separate small bowl until smooth.
03 - Pour the dressing over the chicken mixture and gently toss to coat all ingredients uniformly.
04 - Taste and modify seasoning as preferred for balance.
05 - Cover the bowl and refrigerate for at least 15 minutes to allow flavors to develop.
06 - Serve chilled, either over fresh greens, inside sandwiches, or wrapped in lettuce leaves.