Yes, Sophia did get bitten and turned into a walker in The Walking Dead.
Sophia's Fate Explained
Sophia, Carol's daughter, was a missing person in the second season of The Walking Dead. The group searched extensively for her, leading to much tension and hardship. The search ended tragically when:
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She emerged from the barn as a walker: According to reference information, at the last moment, a bitten Sophia emerges from the barn, dead and zombified.
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Rick put her down: Rick was the one who ultimately had to shoot her, ending her suffering and the group's agonizing search.
In conclusion, the reference confirms that Sophia was indeed bitten and zombified, leading to her demise.
