Wedge Salad with Horseradish Bleu Cheese Dressing

Name: Wedge Salad with Horseradish Bleu Cheese Dressing
Ingredients: 6 tbsp milk (I prefer lactose-free); 1 tsp white vinegar; 2/3 cup crumbled bleu cheese; 1/2 cup sour cream (I like this lactose-free one); 1/3 cup mayo; 1 1/2 tbsp champagne vinegar; 2 tbsp horseradish cream; 1 tsp garlic oil (may sub garlic powder); 1/2 tsp ground black pepper; 1/4 tsp sea salt; For salad:; 1 head iceberg lettuce, quartered; 8 strips bacon; 4 hard-boiled eggs, quartered; 1 bunch green onion, chopped; 1/2 cup black olives, chopped; 1/2 cup cherry tomatoes, sliced in half; crumbled bleu cheese, reserved for topping (optional)