Make dressing: whisk together almond butter, olive oil, apple cider vinegar, mustard and salt in a small bowl.
Combine: Add shredded chicken, celery, red onion, grapes, raisins and almonds into a large bowl and toss to combine. Add dressing and continue to toss until everything is coated. Serve right away or place in the fridge to chill before serving.
Serve: Serve in lettuce cups, over salad or on bread.