01 - Place the sliced cucumbers and red onion in a large salad bowl.
02 - In a small bowl, whisk together Greek yogurt, apple cider vinegar, olive oil, Dijon mustard, salt, and black pepper until smooth and well combined.
03 - Pour the dressing over the cucumbers and onions. Toss gently to coat all vegetables evenly.
04 - Sprinkle with chopped dill and crumbled bacon. Toss lightly to distribute toppings throughout.
05 - Serve immediately for best crunch, or cover and refrigerate for up to one hour to allow flavors to meld.