Historically, dragoons were a sort of hybrid between mounted and on-foot soldiers, using horses for mobility but fighting on foot. Another fact about our real world dragoons: they used firearms instead of spears. Maybe you could draw some inspiration from that for your class?
I'm going to be adding in combat animations, revamping the UI and putting in a new cutscene this week, so this is your last chance to play the MC:RIS demo in its original form! Say you were there since the beginning! https://qos.itch.io/infinite-sadness