Standard 4 pin relay.
PIN 30 Battery feed
PIN 87 T DRL's
PIN 85 Ignition Feed
PIN 86 Earth side of side light buld
For good measure I'd fuse pin 30 and pin 85 and if there LED's about 5 amps.
Ignition off ,no feed to relay coil, no lights.
Ignition on, side lights off, DRL's on
Ignition on...