Combine the mayonnaise, yogurt, Dijon mustard, lemon juice and some salt and pepper. Taste and adjust seasonings as needed.
Add the shredded chicken, pomegranate seeds, chives and celery to a bowl. Pour some of the dressing around the sides of the bowl and toss to combine. Add more dressing as desired. Taste and adjust seasonings as needed.
Serve on top of some baby arugula if using.
From Food Network Kitchens