01 - Peel the cucumbers and slice them thinly. If desired, sprinkle with salt and let them sit for about 10 minutes to draw out excess water.
02 - In a large bowl, combine the sliced cucumbers and finely chopped onion.
03 - In a separate bowl, mix together the sour cream, vinegar, chopped dill, salt, and pepper.
04 - Pour the dressing over the cucumber and onion mixture, tossing gently to combine.
05 - Chill in the refrigerator for at least 15 minutes before serving.