Peel the cucumber then slice it in half lengthwise. Use a spoon to remove and discard the seeds then chop the cucumber up into small pieces and place them in a blender.
Add the sour cream, mayonnaise, buttermilk, chives, parsley, dill, minced garlic, lemon juice, dash of Worcestershire sauce, onion powder and sea salt & freshly cracked pepper, to taste.
Blend until creamy and smooth. Taste and adjust seasoning or lemon juice, if needed.
Allow to chill in the refrigerator for an hour or two before serving. Enjoy