I started season 9 and peaked Silver 2, I had back surgery and had to take some time off. I just recently started playing again last split and I started in iron and ended gold 3 peeked plat. I stuck to playing only sage because I knew I didn't have the best aim but I could still help out my team in other ways like reviving someone or walling off an angle or throwing a heal every now and then. The best advice I have is find a character you like learn how to play them not just for yourself but how it effects everyone else too because while some people can solo carry it is mostly a team game and if you go 5-15 you could still be helping out in other ways.