Usually seen in the pro games are Ezreal, Graves, Ashe, Corki, Sivir, Kog' Maw. Urgot too but he is technically a "melee caster"
Not as much seen Vayne, Varus, Draven, MF, Tristana, and Caitlyn.
This is mainly just from what i've seen, they all have their advantages/disadvantages and obviously certain AD carries counter others. Some tend to be better at lower elos just because of the playstyle that is different from the "higher tiers"
I wouldn't really discriminate too much against the other ones tho. I personally hate playing Draven, Varus, and Kog' Maw meanwhile you may excel at them.
I didn't look up your account or anything so I'm kind of just assuming you don't know much about ADC. Anyways...hope I helped.