Combine in a bowl, the mayo, sour cream, zest and juice of the half lemon, onion powder, salt, and chopped dill. Stir until well combined.
¼ cup Mayonnaise, ¼ cup Sour Cream, ½ piece Lemon , 1 tsp Dijon Mustard, 2 tbsp Fresh Dill, ½ tsp Onion Powder, ¼ tsp Salt