An ad campaign targeting fast-food chains and a TikTok-viral appetizer helped Chili's same-store sales climb nearly 15% in its latest quarter.But Kevin Hochman, CEO of parent company Brinker International, told CNBC that the chain's strong performance is just a sign that customers are finally catching onto the chain's two-year turnaround.Shares of Brinker have climbed 53% this year, bringing its market value up to $2.93 billion. However, the stock closed 10.7% lower Wednesday after the company disappointed ...