Reduced-Fat Mayonnaise: 1/2 tablespoon reduced-fat mayonnaise (e.g., Hellmann’s Lighter than Light or similar, which is often 0.5 Sys per tablespoon or less depending on the brand and amount) .
Celery: 1 stalk, finely chopped.
Red Onion: 1/4 small red onion, finely diced.
Grapes: Small handful (around 10-15), halved.
Bolthouse Farms Dill Pickle Ranch Dressing: 1 tablespoon (1 Syn per tablespoon, as per your original recipe)
Optional Seasoning: Salt and freshly ground black pepper to taste