lf plat+ to dynamic que with on my smurf

https://i.gyazo.com/047f9dfd4ce99c9779c7038d4385e0a2.png plat3 mmr

going to play adc, wanna finish my placements in plat 5, but my adc skill level is only plat. d4 jungle main wanting to learn adc for my secondary role, for some reason i get adc a lot from auto fill.