XBee XCTU rts/cts serial connections and USB

I was using a de-chipped Arduino → XBee shield to reprogram my XBee and enabled RTS/CTS flow control on it, now I can’t communicate with it. Do I need to buy a serial explorer board that connects DTR, RTS and CTS lines correctly to get it talk to me again or can I bodge something?

Bodged something using the FTDI basic board…

or connect the XBee’s RTS to its CTS (loop-back)