the best we've ever had.
Heat small skillet over medium heat.
Toss shrimp with olive oil & cajun seasoning. Add shrimp to skillet and cook 6 mins, flipping once. Set aside.
In small bowl, whisk together sour cream, mayo, ranch & taco seasoning. Set aside.
Cook pasta to al dente. Drain & rinse until cold.
Place pasta in large bowl with other ingredients.