Pickle cucumbers in vinegar, soy, sugar, and hot water; set aside.
Roast potatoes and broccoli with oil, garlic, salt, and pepper at 400°F for 25-30 minutes.
Cook rice in boiling water with salt until tender, about 18 minutes. Fluff and set aside.
Season chicken with chili powder, salt, and pepper; cook until golden and internal temp reaches 165°F, about 8 minutes per side. Rest and cut into pieces.
Make honey glaze with honey, sriracha, and red pepper flakes; toss chicken in sauce. Serve rice topped with chicken, roasted vegetables, pickled cucumbers, and drizzle with hot honey.
Notes
Prepare pickled cucumbers ahead of time for best flavor.