Cook the rotini pasta according to package instructions until al dente. Drain and rinse under cold water to cool.

In a large mixing bowl, combine the cooked pasta, cherry tomatoes, black beans, corn, bell pepper, green onions, and cheddar cheese.

In a separate bowl, mix together the sour cream, taco seasoning, and lime juice until well combined.

Pour the dressing over the pasta salad and toss until everything is evenly coated. Serve chilled or at room temperature.