Dirt jumping ankle injury

I’m trying to get into dirt jumping to learn some tricks and stuff. Last fall I built a 4.5 foot kicker, which is the biggest thing that I’ve hit to date. So in September I was hitting it and one of the times I wrecked. I kind of bailed and came down and landed on  the heel if one foot. Ever since then, that ankle has hurt a little bit. Not bad at all, but it feels uncomfortable especially in the evenings. Does anyone have any thoughts on what I could do for this? It doesn’t quite seem bad enough to go to the doctor for…