In a bowl, combine the ground chicken, kosher salt, onion powder, mustard powder, and brown sugar until just mixed.
Gently fold in the diced jalapenos and cheddar cheese, being careful not to overmix.
Using greased hands, form the mixture into patties.
Grill the patties for about 10 minutes, ensuring to check the internal temperature.
While the burgers are grilling, prepare the honey mustard sauce by whisking together the Dijon mustard, mayonnaise, honey, brown sugar, kosher salt, Italian seasoning, cayenne pepper, and grated garlic until smooth.
