I can't answer the specific question, but I would recommend recording audio and MIDI direct from the TD-25 module to Studio One. This works very well for me.
To do this, you need to do the following:
1. If you haven't done so already, download the TD-25 USB driver appropriate for your OS from here: https://www.roland.com/us/support/by_product/td-25k/updates_drivers/
2. Install the Roland driver as per their instructions (included in the download).
3. The TD-25 will then act as an audio interface selectable from within Studio One (assuming the TD-25 is switched on and connected via USB to your computer).
4. In Studio One, select the TD-25 interface in Audio Setup (Preferences window), and configure the Input matrix. The TD-25 only has stereo L+R out, so there's only one stereo input to set up.
5. Then create an External Instrument (Studio One Preferences > External Devices). Click Add, which will launch a dialog box. Fill in the info in the dialog box: give it a device name, and select TD-25 in the Receive From and Send To dropdowns. By default, the TD-25 transmits on Midi channel 1, so select Channel 1 in the Midi channels section. I leave all the check boxes unchecked and the CC Automation interval at its default of 10ms. Save this configuration. If you want to use a different MIdi channel, you can change this in the TD-25 module's Setup screens and configure the External Device dialog box accordingly.
6. In your Studio One Song, add an Audio Track (stereo) with TD-25 Input L+R selected.
7. Add an Instrument Track and configure its input as the TD-25 External Device (which you created above).
8. Remember, the TD-25 is now your interface, so plug your headphones into the TD-25 and monitor what you're playing to, and the drums, using the module's front panel Backing and Master volume knobs.
9. Record enable the two tracks in Studio One (the Audio and Instrument tracks mentioned earlier) and you should be good to go. The TD-25's audio will be recorded to the Audio track, and the MIDI to the Instrument track.
I always have my backing track, or whatever I'm playing along to, already in Studio One, and found that I needed to change the TD-25's USB levels in the TD-25 module: SETUP > AUDIO to get a decent audio record level (using Roland's kits). You may need to play around with this a bit to get the Output level to what you want without clipping.
This may all seem a bit of a hassle, but once it's setup, it's good to go whenever you need to record te Roland.
Hope this helps.