Add the mayo, sour cream, salt, pepper, paprika, vinegar, mustard, relish, & celery. Whisk together until evenly combined.
1/2 cup mayonnaise, 1/4 cup light sour cream, 1 tbsp yellow mustard, 1 tbsp vinegar, 1/2 tsp salt, 1/4 tsp black pepper, 1/2 tsp smoked paprika, 1/4 cup dill pickle relish, 1/3-1/4 cup thinly sliced celery