Yes, a dehumidifier is great for regulating RH, people often set up automated drying rooms or tents by putting both a humidifier and dehumidifier in there, on controllers keeping an RH band of around 5-10% somewhere between 50-60% depending on temperature
This thread is great, here are some charts to see how drying moves at different setpoints from Dr Allison Justice, who is on Instagram and well worth a follow, she’s awesome!