Here are 3 recipes but I haven't tried them.

WHITE SALSA

To one cup of ranch dressing add any of these items (add more ranch if the consistency isn’t what you want): diced avacados, diced tomatoes, diced onions, diced garlic, fresh or canned corn, sliced olives, diced celery, diced carrots, diced cucumbers, salt, pepper, and chili powder to taste
–use anything you have on hand! Serve with crisp tortilla chips or vegetables.

White Salsa

2 cups (16-ounces) sour cream
2 teaspoons chicken-flavored base or bouillon granules
2 medium-sized, ripe tomatoes, chopped
1 small white or red onion, chopped
1/3 cup shredded Monterey Jack or cheddar cheese
2 jalapeños, seeded and chopped
Tortilla chips for accompaniment

1. Combine sour cream and chicken-flavored base, mixing well.
2. Stir in remaining ingredients.
3. Refrigerate for 2 hours before serving to allow flavors to blend.
4. Serve with tortilla chips.

Makes about 4 cups.

White Salsa

1 cup mayonnaise
1 cup sour cream
Juice of 3 limes
4 cloves garlic, crushed
1 1/2 cups fresh cilantro, finely chopped
1 (6-ounce) can pitted black olives, drained and coarsely chopped
1 1/2 cups green onions, finely chopped
5 teaspoons hot pepper sauce, or to taste
Salt and white pepper to taste
Blue corn tortilla chips for accompaniment

1. In a medium bowl, combine mayonnaise and sour cream, mixing well.
2. Add lime juice, garlic, cilantro, black olives, scallions, hot pepper sauce, salt and pepper. Taste and adjust seasonings for personal preference.
3. Refrigerate for 2 hours before serving to allow flavors to blend. Serve with blue corn tortilla chips.

Makes about 4 cups.