I'm not sure how it got it's name, oh, I remember, I didn't know what else to call it, but I always ate it with Frito's so decided Frito dip was the best fit.

Frito Dip

16 oz pkg sour cream (1 cup)
1 pkg Fiesta Ranch dip mix
4 oz can chopped green chills
4.25 oz can chopped black olives
2 cups Mexican blend finely shredded cheese

Mix dip mix with sour cream until well blended

Then add black olives and green chillies.

Fold in cheese.

Chill in fridge at least 6 hours or overnight. Serve with Frito's, other chips or veggies.