In a large mixing bowl, combine the softened cream cheese and sour cream. Use an electric mixer or a sturdy spoon to beat until the mixture is completely smooth and lump-free.

Stir in the dry ranch seasoning mix and the taco seasoning until fully incorporated. This forms the flavor base of the dip.

Gently fold in the shredded cheddar cheese, the well-drained Rotel tomatoes and green chilies, sliced black olives, and most of the sliced green onions, reserving a small amount for garnish.

Transfer the dip mixture to a decorative serving bowl. Smooth the top with the back of a spoon.

Top the dip evenly with the remaining green onions and a generous layer of fresh pico de gallo.

Cover the bowl and chill in the refrigerator for at least 30 minutes to allow the flavors to meld (optional, but recommended for best taste). Serve cold with tortilla chips, vegetable sticks, or crackers.