Red Mage hinted at

[Thunda_Cat_SMASH]

Technically you'd want another DPSing healer so that someone could actually share duty with SCH. Makes it so that SCH don't tend to be the go-to off-healer.

Nah, I wouldn't use an off healer, I'd just use another dps. RDM needs something unique, not to be a carbon copy.