If using frozen peas, allow them to thaw completely and drain any excess moisture.
Dice the red onion and prepare the cheese and eggs.
Step 2: Make the Dressing
In a medium bowl, whisk together the mayonnaise, sour cream, apple cider vinegar, sugar, salt, and black pepper until smooth and creamy.
Taste and adjust the seasoning if necessary.
Step 3: Assemble the Salad
In a large mixing bowl, combine the peas, crumbled bacon, cheese, red onion, and chopped eggs.