Lost dog in Barton Hills area of Austin, TX - tan chihuahua mix (Barton Hills, Austin, TX)

This poor skittish baby bolted hard during a walk tonight around 8pm and is now missing.
He is a tan chihuahua mix, about 16 lbs.
, and wearing a blue collar with tags and was still attached to his blue leash when he bolted.
He was last seen running west on Trailside Drive where it meets Barton Hills Drive towards the dead end where it meets the Barton Creek woods.
This is in the Barton Hills area of Austin by near Zilker Park.
THIS PUP IS EXTREMELY NERVOUS AND WARY.
IF YOU FIND/SEE HIM, PLEASE DO NOT CHASE.
WE ARE WORKING CLOSELY WITH TRAPRS TO FIND HIM AND GET HIM HOME.
IF SIGHTED PLEASE CALL OUR TRAPRS COORDINATOR AT show contact info AS SOON AS POSSIBLE.
THANK YOU!