I used a metal object with a design and burned my arm, what is the best way to heal it properly?

Used a lighter to heat up the end of a stick, planted into arm for about 5 seconds, healing but possibly infected, been using neosporinI used a metal object with a design and burned my arm, what is the best way to heal it properly?
Treat it as any other burn; keep the skin clean and moist, and covered with neosporin and a gauze dressing. If you start to see streaks of red radiating from the area, get to a doctor or emergency room, as this can be a sign of sepsis.