I Got Injured On The 30th Of January, I Played

I got injured on the 30th of January, i played through the pain until April when it got too bad, i decided to go look it up, i started the process and got my MRI in june, it showed i have a knee bone bruise, i have rested it for morethan one month fully now and it still feel bad, i asked my doctor if i can drain the fluid but he said i should let it heal naturally, i am frustrated and want to go back to active sports, what should i do?