In a bowl, combine olive oil, lemon juice, garlic, oregano, paprika, cumin, salt, and black pepper.
Add chicken pieces and toss until evenly coated. Marinate for at least 30 minutes (up to 12 hours refrigerated).
Heat a skillet, grill pan, or outdoor grill over medium-high heat.
Cook chicken for 8–10 minutes, turning occasionally, until golden, lightly charred, and fully cooked. Set aside.
In a small bowl, whisk Greek yogurt, olive oil, lemon juice, garlic, lemon zest, salt, and black pepper until smooth and creamy.
Divide cooked rice or orzo between bowls.
Top with grilled chicken, cherry tomatoes, cucumber, red onion, and olives if using.
Drizzle generously with lemon garlic sauce.
Finish with feta, fresh herbs, and lemon wedges. Serve warm.
