Your micros are fine. iron always helps with Bermuda greening. That Ph has me concerned. Was your sample from the soil your sod came with, the underlying soil or a combination. Your going to need a significant amount of lime but i would do it over several apps 30 days apart. Spot spray the Poa with RU. I am doing my first N app on my lawn on Mar 1st. We are averaging 70 degree temps still and mine never went completely dormant. Once it takes off it is pretty good at self regulating the weeds. Cut frequently 2-3 times a week at no more than 1". It will come in thick and the weeds don't like the constant mowing.