In a bowl, mix olive oil, lime juice, chili powder, seasoning, garlic powder, cumin, and cayenne.
Add chicken thighs and toss until fully coated. Rest for 30 minutes.
Cook chicken on grill, stovetop, or oven at medium heat until done.
Let chicken rest for 5 minutes, then slice.
In a bowl, mix mayo, sour cream, lime juice, and seasonings.
Fold in corn, black beans, red onion, and garlic. Mix well.
Cook rice according to package directions.
Stir lime juice and cilantro into warm rice. Fluff gently.
Assemble bowls with rice, chicken, corn salad, and toppings.