Heat olive oil in a large skillet over medium-high heat.
Season chicken cubes with salt, pepper, and half of the chili powder.
Sauté chicken for 6 to 8 minutes or until cooked through, then remove from pan.
In the same skillet, add corn kernels and cook for 5 minutes without stirring to achieve a char, then toss and cook for 2 more minutes.
In a small mixing bowl, combine mayonnaise, sour cream, lime juice, smoked paprika, and the remaining chili powder to create the crema.
Divide cooked rice among four bowls.
Layer seasoned chicken and charred corn over the rice.
Garnish with crumbled cotija cheese and fresh cilantro.
Drizzle with the prepared lime crema and serve.