In a large bowl, whisk together 2 tablespoons olive oil, lemon juice, garlic, cumin, coriander, paprika, 0.25 teaspoon turmeric, cinnamon, salt, and pepper.
Add chicken to the marinade, toss to coat, and refrigerate for at least 30 minutes.
In a medium pot, combine rinsed rice, chicken broth, and the remaining 0.25 teaspoon turmeric. Bring to a boil over medium-high heat.
Reduce heat to low, cover, and simmer for 15 minutes or until all liquid is absorbed. Fluff with a fork and keep warm.
Heat the remaining 1 tablespoon olive oil in a large skillet over medium-high heat.
Add the chicken in a single layer and cook for 8-10 minutes, turning occasionally, until browned and the internal temperature reaches 165 degrees Fahrenheit.
Assemble the bowls by dividing the turmeric rice among four bowls.
Top each bowl with cooked chicken, diced cucumber, cherry tomatoes, red onion, and a dollop of hummus.
Drizzle with tahini sauce before serving.