Troy A grand jury indicted a city man for allegedly killing his girlfriend's 21/2-year-old daughter by squeezing her.Michael Davis-Guider, 29, was charged with first- and second-degree manslaughter at his arraignment Monday before Rensselaer County Judge Andrew Ceresia.The indictment, unsealed Monday morning, accused Davis-Guider of killing Viola Davis, on Feb. 26.