Combine in a small bowl, the warm milk, 1 teaspoon of the granulated sugar, and the yeast. Stir until dissolved and let it proof until foamy 5-10 minutes.
Make sure that your stand mixer is equipped with a dough hook. Add the the bowl of the mixer; the flour, remaining 2 teaspoon of sugar, salt, onion powder, garlic powder, smoked paprika, and pepper. Stir to combine.
Pour into the dry ingredients; the melted butter, eggs, and proofed yeast mixture. Knead for 5 minutes of until the dough comes together, until smooth. Fold in shredded cheddar and chives during the final 30 seconds of kneading.
Place dough in a greased bowl. Cover and let rise 1–1½ hours until doubled.
Divide dough into 12 pieces and roll into balls. Place in a parchment-lined 9×13 pan. Cover and let rise 30–40 minutes.
Pipe the Crosses
Mix flour, oil and water into a loose paste. Transfer the paste to a piping bag with a ¼ inch hole, and pipe crosses over each bun.
Bake and finish
Bake at 375°F (190°C) for 18–22 minutes, until golden.
While the buns are baking, make the butter glaze by combining in a small bowl, the melted butter and and chopped dill.
Remove the baked buns from the oven and brush warm buns with the melted butter. Let them cool a little longer and serve.