Peel and small-dice 1/2 cup yellow onion, finely chop 2 hard-boiled eggs, and small-dice 1/2 cup bread and butter pickles; measure remaining ingredients.
In a large mixing bowl, combine 1 1/2 cups mayonnaise, 1/4 cup chili sauce, 2 tablespoons pimentos, 2 teaspoons Worcestershire sauce, 2 teaspoons white distilled vinegar, 2 dashes hot sauce, 1 tablespoon sugar, 1 teaspoon sea salt, and 1/4 teaspoon cracked black pepper.
Add the diced onion, diced pickles, and chopped hard-boiled eggs to the bowl.
Fold everything together with a rubber spatula or large spoon until fully combined and evenly mixed.
Cover and refrigerate the dressing until ready to use.