Twin brother of Jean-Pierre Smith, who was signed late last year, Ruan has joined Queensland Reds training at Ballymore as preparations ramp up for their second home game of 2018.
The 28-year-old has played more than 50 Super Rugby games, most recently with the Brumbies, since making his debut for the Western Force in 2012. He was originally signed with the Sunwolves for the 2018 Super Rugby season, but was released on compassionate grounds.
Ruan said: "I'm really excited to be joining the Reds, especially considering my brother JP has already settled in and is loving it.
"My family is here and Queensland is our home, so it is great to be back here. I'm very thankful to the Sunwolves for understanding my situation and making it easier for me to return home to be with my family.
"My parents made sure the family were Reds members as soon as we moved to Toowoomba more than a decade ago and they've had the same seats at Suncorp Stadium ever since.
"We grew up as Reds supporters, so it's a dream for us to be playing for them. It's actually surreal how it has all worked out."
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