Mix chicken, oil, and seasonings in a bowl.
Marinate for at least 20 minutes.
Grill chicken until cooked through and charred.
Let chicken rest, then slice thinly.
Cook corn in a hot pan until lightly charred.
In a bowl, mix mayo, sour cream, spices, and lime.
Add cooked corn and cheese, mix gently.
Stir chopped cilantro into the corn mixture.
In another bowl, mix rice, lime juice, and salt.
Add cilantro for extra freshness.
Assemble bowls with rice, chicken, and street corn.
Top with avocado, lime, or jalapeƱos as desired.