If you don't have a dedicated drying chamber (spare fridge with Inkbird temperature/humidity controllers, humidifier, and dehumidifier) the Umai dry-ageing bags or similar dry-ageing bags for steaks) will work great in your regular fridge. Take it to at least 35% weight loss.
Do not use paper bags. You will end up with case hardening and you won't be able to monitor the mold growth as you won't be able to see it.