Prep the chicken. If using rotisserie chicken, remove skin and bones, then chop or shred into bite-size pieces.
Aim for small, even chunks for a better scoop and bite.
Dice the cucumber. Cut the cucumber into small cubes. If using a standard cucumber, peel and scoop out the seeds to avoid extra moisture. Pat dry with a paper towel.
Chop the crunch. Finely chop celery and red onion.
These add texture and a little bite without overpowering the ranch flavor.
Make the dressing. In a large bowl, whisk together mayonnaise, sour cream or Greek yogurt, ranch seasoning, lemon juice, Dijon, and garlic powder. Taste and adjust salt and pepper.
Combine. Add the chicken, cucumber, celery, onion, and dill to the bowl. Fold gently until everything is evenly coated.
Chill briefly. Let it rest in the fridge for 15–30 minutes.
This helps the flavors meld and the dressing thicken slightly.
Final touch. Stir and taste again. Add more lemon, dill, or ranch seasoning if you want a stronger kick. Mix in any optional add-ins.
Serve. Spoon into lettuce cups, roll in a low-carb tortilla, pile onto parmesan crisps, or enjoy with sliced cucumbers for extra crunch.