01 - In a large bowl, mix cooked chicken, celery, red onion, dried cranberries, parsley, and pecans until evenly distributed.
02 - Whisk mayonnaise, Greek yogurt, Dijon mustard, lemon juice, salt, and black pepper in a small bowl until smooth.
03 - Pour dressing over chicken mixture and gently toss to coat all ingredients thoroughly.
04 - Taste and adjust seasoning if necessary. Cover and refrigerate for at least 15 minutes to blend flavors.
05 - Serve chilled, either over greens, as a sandwich filling, or wrapped in lettuce leaves.