Your pressures on high said are way off they should be around 250 300 easy so either a compressor h block or dryer not allowing pressure to reach is potential.

R-134a System Pressure Chart - AC Pro

 

What do you think about the mode control/vent control valves? It would help her a lot if I could just get it so it didn't blow hot air into the passenger side. Then I could figure out how to get the air blowing ice cold.