best way SD on new iPad pro

Yes according to this article: Charge and connect with the USB-C port on the new iPad Pro - Apple Support

Connect to other devices

The USB-C port on iPad Pro allows connections to a variety of devices. For example, you can connect a digital camera or the Apple USB-C to SD Card Reader to import photos to your iPad Pro. Other USB devices you can connect to iPad Pro include these:

• Hubs and docks
• Keyboards
• Audio interfaces and MIDI devices
• External storage devices to import photos and videos
• USB to Ethernet adapters

Depending on the device, you might need an adapter. Here are some common connections:

• If the device that you're connecting to has a USB-C port, all you need is a cable with USB-C connectors on each end, such as the cable that came with iPad Pro.
• If the device has a USB-C connector, you can plug it directly into the iPad Pro USB-C port.
• If the device has a USB-A connector, you can plug it into the Apple USB-C to USB adapter, then plug the adapter into the iPad Pro USB-C port.

It looks like they have you covered

USB-C to SD Card Reader - Apple