01 - Rinse rice under cold water until water runs clear. Combine rice, water, and salt in a saucepan. Bring to a boil, reduce heat to low, cover, and simmer for 15 minutes. Remove from heat and let steam covered for 5 minutes. Fluff with a fork before serving.
02 - Whisk together olive oil, chili powder, smoked paprika, cumin, garlic powder, salt, pepper, and lime juice in a bowl. Coat chicken breasts evenly with the mixture. Let marinate for at least 10 minutes at room temperature.
03 - Heat a grill pan or skillet over medium-high heat. Grill marinated chicken for 5 to 7 minutes per side until cooked through and juices run clear. Transfer to a plate and let rest for 5 minutes before slicing into strips.
04 - Heat olive oil in a skillet over medium-high heat. Add corn kernels and sauté for 3 to 5 minutes until slightly charred. Stir in smoked paprika, chili powder, and salt. Remove from heat immediately.
05 - Whisk together sour cream, mayonnaise, lime juice, hot sauce, and salt until completely smooth and creamy. Adjust seasoning to taste.
06 - Divide fluffy rice among four serving bowls. Arrange sliced chicken, charred street corn, and crema on top. Garnish with crumbled cheese, fresh cilantro, jalapeño slices, and lime wedges. Serve immediately.