Solo Q or Dynamic?
So the issue of solo queue and dynamic is quite huge at the moment and I have an idea. If you make the two coexist then the player base will be very much divided so I have thought of a system where you get more LP for going solo and gain less for each person within your queue. This should also work the other way around where you lose less solo and lose more with people/friends but not by a huge amount on either end of the spectrum. Oh and keeping your role selection is very iffy as well. To this, I think we shouldn't have it anymore since solo queue should test your overall skill and not just your main.
EDIT: You should also fight higher elo players for teaming up with your "squad" or partner.