Thank you! I dropped my consumption to 4 mA in sleep mode and 15 mA during signal transmission. And yes it is easy to power the DS18B20 from the pin and I was able to do the same with a AM2301. I believe my previous attemps were to power the NRF24 + sensor from the pin which actually doesn't make any sense since it has a really low consumption in sleep mode.
Oddly enough my AM2301 + nrf24 dropped to ~2mA in sleep mode - can't figure out why this unit has a larger draw.