Even when I'm playing my 24/20 Laggy-TAGG 6max style, I open < 10% of my hands UTG and only 13 - 14% MP (all for raises).

Try ditching 22 - 66 and KQo/AJo and worse from your UTG range. I do open AJs and KQs. It's just so much easier to play EP hands if you're playing good ones.